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» On Moving Object Queries
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PODS
1998
ACM
152views Database» more  PODS 1998»
15 years 10 months ago
A Cost Model for Similarity Queries in Metric Spaces
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...
Paolo Ciaccia, Marco Patella, Pavel Zezula
VLDB
1995
ACM
103views Database» more  VLDB 1995»
15 years 10 months ago
Querying Shapes of Histories
We present a shape definition language, called SDC, for retrieving objects based on shapes contained in the histories associated with these objects. It is a small, yet powerful, l...
Rakesh Agrawal, Giuseppe Psaila, Edward L. Wimmers...
GIS
2008
ACM
16 years 7 months ago
Continuous proximity monitoring in road networks
In this paper, we consider the following scenario: a set of mobile objects continuously track their positions in a road network and are able to communicate with a central server. ...
Hans-Peter Kriegel, Matthias Renz, Peer Kröge...
SMILE
2000
Springer
15 years 10 months ago
Augmented Reality Using Uncalibrated Video Sequences
Abstract. Augmented Reality(AR) aims at merging the real and the virtual in order to enrich a real environment with virtual information. Augmentations range from simple text annota...
Kurt Cornelis, Marc Pollefeys, Maarten Vergauwen, ...
CORR
2007
Springer
137views Education» more  CORR 2007»
15 years 6 months ago
Cross-Matching Multiple Spatial Observations and Dealing with Missing Data
: Cross-match spatially clusters and organizes several astronomical point-source measurements from one or more surveys. Ideally, each object would be found in each survey. Unfortun...
Jim Gray, Alexander S. Szalay, Tamas Budavari, Rob...